> cc: groff@gnu.org
> Date: Thu, 11 Jun 2015 15:18:17 +0100
> From: Ralph Corderoy <ra...@inputplus.co.uk>
>
> Hi Eli,
>
> > - system("groff -Tpdf -dPDF.EXPORT=1 -mom -z $cmdstring 2>&1 | grep
> > '^\.ds' | groff -Tpdf -mom - $preconv $cmdstring");
> > + system("groff -Tpdf -dPDF.EXPORT=1 -mom -z $cmdstring 2>&1 | grep
> > \"^\.ds\" | groff -Tpdf -mom - $preconv $cmdstring");
>
> This looks wrong both times. :-) It's a double-quoted string in perl,
> so backslash is interpreted as an escape thus \. needlessly escapes the
> non-special dot giving just a dot and grep sees `^.ds' for the pattern
> AFAICS.
Could very well be. Perl is largely a read-only language for me.
The point is that '...' quoting cannot be used, unless the shell is a
Posix shell. I suggest "..." quoting instead.
Thanks.
